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Security audit

CodeRabbit

Security checks for vulnerabilities and agentic risk

Overview

The CodeRabbit workflow requires approval for account changes, but its setup fallback directs the agent to run a remote installer without a separate approval check.

Review the setup fallback before installing. Prefer installing a reviewed CLI version yourself and require approval before any downloaded installer runs. OOMOL will handle your connected CodeRabbit credentials and requests. Keep the existing confirmation checks for role, seat, and other account changes. The supplied static scan reported no findings, but the remote installer and service implementation were not included for inspection.

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs
Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
99% confidence
Finding

The supplied command executes a remotely hosted Oomol installation script, with no demonstrated connection to CodeRabbit. This accesses an inconsistent resource and introduces an undeclared installation capability, rather than merely implementing the described CodeRabbit functionality. The downloaded script's further behavior cannot be determined from the supplied chunk.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The command pipes mutable network content directly into Bash without a pinned artifact or independent integrity verification; the PowerShell alternative uses the same download-and-execute pattern. If the distribution endpoint or release infrastructure is compromised, attacker-controlled code could run with the invoking account's permissions and access local files or credentials. The legitimate dependency and HTTPS transport reduce suspicion of malicious intent but do not eliminate this supply-chain risk.

Content

Scanner excerpt · SKILL.md (reported line 67)May include surrounding context.

Fallback setup executes downloaded installation scripts without warning the user about remote code execution or local system changes.

Medium
Category
Output Handling
Confidence
95% confidence
Finding

When the CLI is missing, the skill directs the agent to execute a remote installer without first explaining local system changes or obtaining installation-specific approval. A request to operate CodeRabbit does not necessarily authorize running arbitrary installation code on the user's machine, although the conditional fallback limits when this occurs.

Content

No source excerpt is available for this finding.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
80% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 88)May include surrounding context.

md
- **`OOMOL_INSUFFICIENT_CREDIT`** — OOMOL billing stop. Recharge at `https://console.oomol.com/billing/token-recharge` before retrying.

- **HTTP 402 without `OOMOL_INSUFFICIENT_CREDIT`** — the third-party account itself has no active plan or credit. Report the provider error message as is; do not ask the user to recharge OOMOL.

## Resources